<template>
    <!-- 头部搜索框 start -->
    <nav class="nav-box">
        <div class="nav-input">
            <input type="text" @blur="changeShowBtn(false)" @focus="changeShowBtn(true)">
        </div>
        <div v-show="showBtn" class="nav-btn">
            <span>{{search}}</span>
        </div>
    </nav>
    <!-- 头部搜索框 end -->
</template>
<script>
export default {
    
}
</script>